SDSS J212645.06+043138.3

All names: Gaia DR3 2699099148368880384, Gaia EDR3 2699099148368880384, GALEX J212645.0+043138, SDSS J212645.05+043138.3, LAMOST J212645.05+043138.3, SDSS J212645.06+043138.3, SDSS J212645.06+043138.36, SDSS J212645.04+043138.3, SDSS J212645.06+043138.4, Gaia DR2 2699099148368880384

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 21 26 45.06 (0.3) 21 26 45.04 21 26 45.06 (0.6) 21 26 45.03 (0.3)
Declination 04 31 38.32 (0.3) 04 31 38.39 04 31 38.32 (0.6) 04 31 38.37 (0.3)
Spectral type DB DB DB DB
Effective temperature [K] 15971.0 19065.0 12853.0 16300.0 (115) 16242.0 (100)
log(g) [cgs] 7.77 7.94 7.41 7.99 (0.09) 7.82 (0.008)
Mass [M] 0.468 0.563 0.317 0.513 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.1681
log(H/He) <-6.095 <-5.03
log(C/He)
log(Ca/He) <-6.48
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.65 (0.4) 1.84 (0.7) 2.65 (0.4)
Distance [pc] 377.72 (56) 543.12 (193) 444.00 377.71 (56)
Composition He
Proper motion (right ascension) [mas/yr] 27.11741194 (0.4) 26.82058496 (0.8) 27.117 (0.4)
Proper motion (declination) [mas/yr] -3.455921525 (0.3) -2.823109455 (0.9) -3.456 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.32 (0.03) 19.32 (0.03) 19.32 (0.03)
g magnitude 19.40 (0.01) 19.40 (0.01) 19.40 (0.01)
r magnitude 19.64 (0.02) 19.64 (0.02) 19.64 (0.02)
i magnitude 19.94 (0.03) 19.94 (0.03) 19.94 (0.03)
z magnitude 19.99 (0.1) 19.99 (0.1) 19.99 (0.1)
G magnitude 19.49 (0.03) 19.53 19.49 (0.004)
BP magnitude 19.52 (0.03) 19.53
RP magnitude 19.54 (0.07) 19.42
Pan g magnitude 19.41 (0.01)
Pan r magnitude 19.66 (0.01)
Pan i magnitude 19.89 (0.009)
Pan z magnitude 20.04 (0.03)
Pan y magnitude 20.03 (0.07)
E(B-V) 0.036

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.